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Failure analysis of pipes used in a hydrodesulfuration system of a petrochemical plant
Abstract Some types of petroleum have high sulfur content, depending on the region of extraction. In order to make possible the industrial use of such oil, it is necessary to subject it to aExpand
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Fretting corrosion tests on orthopedic plates and screws made of ASTM F138 stainless steel
TLDR
We correlate the surface finish characteristics of bone plate-screw systems with fretting corrosion and demonstrate its influence on the structural integrity of osteosynthesis implants. Expand
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Characterization of the fretting corrosion behavior, surface and debris from head-taper interface of two different modular hip prostheses.
Modular hip prostheses are flexible to match anatomical variations and to optimize mechanical and tribological properties of each part by using different materials. However, micromotions associatedExpand
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Microstructural aspects of the failure analysis of nickel base superalloys components
The main reason for the existence of superalloys is their outstanding strength at high temperatures, which make them suitable for the fabrication of gas turbine components. Contributing factors areExpand
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Stress and integrity analysis of steam superheater tubes of a high pressure boiler
Sources that can lead to deterioration of steam superheater tubes of a high pressure boiler were studied by a stress analysis, focused on internal pressure and temperature experienced by the materialExpand
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AVALIAÇÃO DA RESISTÊNCIA À CORROSÃO E DAS PROPRIEDADES MECÂNICAS DO AÇO INOXIDÁVEL MARTENSÍTICO CONTENDO 15% DE CRÓMIO EM
The microstructure, mechanical properties and corrosion resistance of a 15 % chromium martensitic stainless steel have been investigated. Material evaluation was carried out on samples subjected toExpand
Automatic image treatment minimizing error in the grain size determination
In the present work, low alloy steel and austenitic stainless steel samples were evaluated in order to identify the more usual type of errors encountered in the grain size measurements by automaticExpand
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